Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Rb4 draw
6 Rb6 draw
7 Rb7 draw
8 Rb8 draw
9 Rc3 draw
10 Kd7 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 Ra3 loss in 1 half-moves
17 Rd3 loss in 1 half-moves
18 Re3 loss in 1 half-moves
19 Rf3 loss in 1 half-moves